MESON Chess Problem Database

Problem Display
PID: 274078 (8/8/1p1p4/n1k5/3N4/2K5/8/7Q w - - 0 1)

Zimmer, Eligiusz

Buletin Problemistic, 2001

8/8/1p1p4/n1k5/3N4/2K5/8/7Q

#2

3 + 4

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Sb3
      • 2.Qc6#
    • 1...Sc4
      • 2.Qc6#
    • 1...Sc6
      • 2.Qxc6#
    • 1...Sb7
      • 2.Qc6#
  • Tries
    • 1.Qf3?
      • 1...d5
        • 2.Qf8#
      • 1...Sb3
        • 2.Qc6#
      • 1...Sc4
        • 2.Qc6#
      • 1...Sc6
        • 2.Qxc6#
      • 1...Sb7
        • 2.Qc6#
      • 1...b5!
    • 1.Qe4?
      • 1...d5
        • 2.Qe7#
      • 1...Sb3
        • 2.Qc6#
      • 1...Sc4
        • 2.Qc6#
      • 1...Sc6
        • 2.Qxc6#
      • 1...Sb7
        • 2.Qc6#
      • 1...b5!
    • 1.Qb7?
      • 1...Sc6
        • 2.Qxc6#
      • 1...d5
        • 2.Qe7#
      • 1...Sb3
        • 2.Qc6#
      • 1...Sc4
        • 2.Qc6#
      • 1...b5
        • 2.Se6#
        • 2.Qxb5#
      • 1...Sxb7!
    • 1.Qb1?
      • threat
        • 2.Qb5#
      • 1...Kd5
        • 2.Qf5#
      • 1...b5
        • 2.Qxb5#
      • 1...d5
        • 2.Qb4#
      • 1...Sb3!
  • Keys
    • 1.Qf1!
      • threat
        • 2.Qb5#
      • 1...Kd5
        • 2.Qf5#
      • 1...b5
        • 2.Qxb5#
      • 1...Sc4
        • 2.Qxc4#
      • 1...d5
        • 2.Qf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • S(a);N_GUARD::QAR1(A)
    • S(a);N_GUARD::QAR1(A),XS(a)
  • Tries
    • Try
      • Q(A);
      • Vars
        • P(d);OGATEB,SBLOCK::QAB(A)
        • S(a);N_GUARD::QAR1(A)
        • S(a);N_GUARD::QAR1(A),XS(a)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Vars
        • P(d);OGATEB,SBLOCK::QAB(A)
        • S(a);N_GUARD::QAR1(A)
        • S(a);N_GUARD::QAR1(A),XS(a)
      • Refutation
        • P(c);
    • Try
      • Q(A);
      • Vars
        • S(a);N_GUARD::QAR1(A),XS(a)
        • P(d);OGATEB,SBLOCK::QAB(A)
        • S(a);N_GUARD::QAR1(A)
      • Refutation
        • S(a);XQ(A)
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • K(b);P-FLIGHT,S_CUTP(d)::QAR2(A)
        • P(c);::QAR1(A),XP(c)
        • P(d);SBLOCK::QAB1(A)
      • Refutation
        • S(a);
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • K(b);P-FLIGHT,S_CUTP(d)::QAR2(A)
      • P(c);::QAR1(A),XP(c)
      • S(a);N_GUARD::QAR1(A),XS(a)
      • P(d);OGATEB,SBLOCK::QAB(A)
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